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<FONT color="green">001</FONT>    package net.jmatrix.eproperties.utils;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.io.*;<a name="line.3"></a>
<FONT color="green">004</FONT>    <a name="line.4"></a>
<FONT color="green">005</FONT>    /**<a name="line.5"></a>
<FONT color="green">006</FONT>     *<a name="line.6"></a>
<FONT color="green">007</FONT>     */<a name="line.7"></a>
<FONT color="green">008</FONT>    public final class StreamUtil <a name="line.8"></a>
<FONT color="green">009</FONT>    {<a name="line.9"></a>
<FONT color="green">010</FONT>       static final int EOS=-1;<a name="line.10"></a>
<FONT color="green">011</FONT>    <a name="line.11"></a>
<FONT color="green">012</FONT>       /** <a name="line.12"></a>
<FONT color="green">013</FONT>        * Pumps one stream to another, with a buffer - both streams are<a name="line.13"></a>
<FONT color="green">014</FONT>        * closed when the pump is complete.<a name="line.14"></a>
<FONT color="green">015</FONT>        */<a name="line.15"></a>
<FONT color="green">016</FONT>       public static final void pump(InputStream is, OutputStream os)<a name="line.16"></a>
<FONT color="green">017</FONT>          throws IOException {<a name="line.17"></a>
<FONT color="green">018</FONT>          byte buffer[]=new byte[8192];<a name="line.18"></a>
<FONT color="green">019</FONT>          int bytes=is.read(buffer);<a name="line.19"></a>
<FONT color="green">020</FONT>          while (bytes &gt; 0) {<a name="line.20"></a>
<FONT color="green">021</FONT>             os.write(buffer, 0, bytes);<a name="line.21"></a>
<FONT color="green">022</FONT>             // System.out.println ("last read: "+bytes+" reading...");<a name="line.22"></a>
<FONT color="green">023</FONT>             // SOLVED! -- See jet_net ChunkedInputStream, and <a name="line.23"></a>
<FONT color="green">024</FONT>             // Transfer-Encoding: chunked.  !!<a name="line.24"></a>
<FONT color="green">025</FONT>             // pab, 24/7/2003<a name="line.25"></a>
<FONT color="green">026</FONT>             bytes=is.read(buffer);<a name="line.26"></a>
<FONT color="green">027</FONT>          }<a name="line.27"></a>
<FONT color="green">028</FONT>          os.flush(); os.close();<a name="line.28"></a>
<FONT color="green">029</FONT>          is.close();      <a name="line.29"></a>
<FONT color="green">030</FONT>       }<a name="line.30"></a>
<FONT color="green">031</FONT>    <a name="line.31"></a>
<FONT color="green">032</FONT>       public static final void unbufferedPump(InputStream is, OutputStream os) <a name="line.32"></a>
<FONT color="green">033</FONT>          throws IOException {<a name="line.33"></a>
<FONT color="green">034</FONT>          int b=is.read();<a name="line.34"></a>
<FONT color="green">035</FONT>          while (b != EOS) {<a name="line.35"></a>
<FONT color="green">036</FONT>             os.write(b);<a name="line.36"></a>
<FONT color="green">037</FONT>             b=is.read();<a name="line.37"></a>
<FONT color="green">038</FONT>          }<a name="line.38"></a>
<FONT color="green">039</FONT>          os.flush(); os.close();<a name="line.39"></a>
<FONT color="green">040</FONT>          is.close();<a name="line.40"></a>
<FONT color="green">041</FONT>       }<a name="line.41"></a>
<FONT color="green">042</FONT>    <a name="line.42"></a>
<FONT color="green">043</FONT>      /** */<a name="line.43"></a>
<FONT color="green">044</FONT>      public static final void pumpExactly(InputStream is, OutputStream os, <a name="line.44"></a>
<FONT color="green">045</FONT>                                           int bytes) <a name="line.45"></a>
<FONT color="green">046</FONT>        throws IOException {<a name="line.46"></a>
<FONT color="green">047</FONT>        for (int i=0; i&lt;bytes; i++) {<a name="line.47"></a>
<FONT color="green">048</FONT>          os.write(is.read());<a name="line.48"></a>
<FONT color="green">049</FONT>        }<a name="line.49"></a>
<FONT color="green">050</FONT>        os.flush();<a name="line.50"></a>
<FONT color="green">051</FONT>        os.close();<a name="line.51"></a>
<FONT color="green">052</FONT>        is.close();<a name="line.52"></a>
<FONT color="green">053</FONT>      }<a name="line.53"></a>
<FONT color="green">054</FONT>    <a name="line.54"></a>
<FONT color="green">055</FONT>       /** <a name="line.55"></a>
<FONT color="green">056</FONT>        * Reads all remaining bytes from a stream and returns it <a name="line.56"></a>
<FONT color="green">057</FONT>        * as a string. <a name="line.57"></a>
<FONT color="green">058</FONT>        */<a name="line.58"></a>
<FONT color="green">059</FONT>       public static String readToString(InputStream is) <a name="line.59"></a>
<FONT color="green">060</FONT>          throws IOException {<a name="line.60"></a>
<FONT color="green">061</FONT>          ByteArrayOutputStream baos=new ByteArrayOutputStream();<a name="line.61"></a>
<FONT color="green">062</FONT>          pump(is, baos);<a name="line.62"></a>
<FONT color="green">063</FONT>          return baos.toString();<a name="line.63"></a>
<FONT color="green">064</FONT>       }<a name="line.64"></a>
<FONT color="green">065</FONT>    <a name="line.65"></a>
<FONT color="green">066</FONT>       public static byte[] readFully(InputStream is) <a name="line.66"></a>
<FONT color="green">067</FONT>          throws IOException {<a name="line.67"></a>
<FONT color="green">068</FONT>          ByteArrayOutputStream baos=new ByteArrayOutputStream();<a name="line.68"></a>
<FONT color="green">069</FONT>          int b=is.read();<a name="line.69"></a>
<FONT color="green">070</FONT>          while (b != EOS) {<a name="line.70"></a>
<FONT color="green">071</FONT>             baos.write(b);<a name="line.71"></a>
<FONT color="green">072</FONT>             b=is.read();<a name="line.72"></a>
<FONT color="green">073</FONT>          }<a name="line.73"></a>
<FONT color="green">074</FONT>          return baos.toByteArray();<a name="line.74"></a>
<FONT color="green">075</FONT>       }<a name="line.75"></a>
<FONT color="green">076</FONT>    }<a name="line.76"></a>




























































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